Preparing items before the start of the coloring work is of particular importance, and for problems that do not arise in coloring work: 1- Bathing the colors and items necessary before other actions is made in any way, including that the cleaning containers are regulated along with the water and the heating machine and materials that should be painted like cotton or cotton and tired and ready for work 2 of work, including a long-term color, bathroom, and cooperative materials. 3) Persons responsible for any work in large workshops are specified and ready to work.The above takes place in large workshops that operate under the supervision of the Cardano management, the labs that should be paid attention to the hange in order to avoid irreparable damage to the cold and the result of their work